The problem of not reading data on Google Sheet when using the Internet of the sim card

Hello
When I use a web tool with Google Sheet, a problem occurs, and it is the application that cannot read the data on Google Sheet. When I use the Internet from a SIM card, and when I turn on Wi-Fi, the application can read the data personally. When I use the web link of the CSV format, it is not The download is when I turn on the Internet from the SIM card, and when I turn on the Wi-Fi, the download takes place. What is the solution to this problem?